August 3, 2026

Is six rows of staggered magnetic rods the reason a glaze slurry separator captures iron without slowing the line to a crawl

A single-row magnetic grate catches the honest nails and bolt fragments, then lets the 20-micron hematite fines—the ones that fire into black specks on a glazed tile—flow straight through. A ceramic plant manager does not lose yield to scrap metal; he loses it to the invisible iron that survives the grate and blooms in the kiln. The drawer-type separator is not a stronger version of a hopper grate—it is a controlled-residence-time reactor: slurry enters, is throttled to a slow upward creep, and crosses six vertically staggered rows of Φ25 mm rods where the local field gradient—not the headline Gauss—does the trapping. The Stainless Steel Drawer-Type Magnetic Separator for Glaze & Slurry — 33 Rods 6 Rows Staggered Vertical Pin Type 8000GS 10000GS SUS304 Trough Type Iron Remover For Ceramic Glaze Clay Slurry Kaolin Suspension Chemical Emulsion Syrup Petrochemical Flotation Oil 10t/h 20t/h Quick Clean Drawer Magnet OEM ODM Jinjiang Jiangdong Machinery Jiangdongmachinery is built on that residence-time logic: 33 neodymium rods at 8000/10000 GS, 6-row pin formation, 30 mm control clearance, 250 mm weir discharge, SUS304 trough. But why does 10000 GS only beat 8000 GS when the rod grade clears N42, how does a 30 mm gap throttle a 15 t/h glaze line without bridging, and what makes Jinjiang Jiangdong Machinery—a decade in magnetic separation, OEM/ODM, ceramic-plant retrofit—a separator house rather than a magnet reseller that welded a box? Below is the full breakdown for tile manufacturers, kaolin mills, chemical-emulsion blenders, syrup refiners, and petrochemical flotation operators evaluating a wet magnetic separator whose real spec is “specks per square meter after firing,” not “Gauss on the datasheet.”

Why residence time × field gradient × pass count out-ranks peak Gauss

10000 GS Is Only Real At N42+ NdFeB And 0.2 mm From The Rod. Surface Gauss is measured at the rod skin; the capturing force on a 20-μm Fe₂O₃ particle scales with the field gradient ∂B/∂x, which collapses to near-zero 5 mm off the rod. A 8000 GS rod made from N38 material peaks 8000 at skin and drops to 3000 at 3 mm; a 10000 GS rod from N45 holds 6000+ at 3 mm. So the 10000 GS option only earns its premium when the rod core is N42 or above and the slurry actually passes within 2–3 mm of the rod—which the 25 mm rod spacing + 30 mm flow clearance in this unit are designed to force. Specifying 10000 GS with a cheap N38 core is a label, not a performance.
6-Row Staggered “Pin” = 6 Zig-Zag Passes, Not 6 Parallel Grates. A single horizontal grate gives one vertical fall through the field. The drawer unit sends slurry up through a 2.5″ inlet, under a control gate (30 mm clearance) into the chamber, then up past row 1, deflects around the staggered row 2 rods, up past row 3, and so on—six directional changes, six field crossings, contact path ≈ 6 × 300 mm = 1.8 m of effective magnetic travel inside a 700 mm-tall machine. Capture probability for a 10-μm paramagnetic particle goes from ~40% on a single grate to >92% on the 6-pass pin formation (per Jiangdong’s in-house glaze test loop). That is why a ceramic plant sees specks drop from 5–8/m² to <1/m² after retrofit.
30 mm Clearance + 250 mm Weir = Upward Velocity ≈ 0.08–0.12 m/s. Iron capture needs the particle to dwell in the high-gradient zone for >0.3 s. At 15 t/h through a 350×320 mm chamber cross-section, a 30 mm control gate throttles the inlet velocity; the 250 mm discharge weir sets the static head so the slurry creeps up at 0.1 m/s, well under the 0.3 m/s escape threshold for 5-μm iron. Open the gate to 60 mm and the line runs faster but speck count climbs—operators tune the gate per glaze viscosity. This is the hidden knob: not motor power, but gate height.
SUS304 Is Correct For Glaze, Marginal For Acid Syrup Or Flotation Oil. Ceramic glaze and kaolin suspension sit near pH 6–8, 304 is fine for a 10-year life. Citrus syrup (pH 3–4) or petrochemical flotation circuits with sulfide ions attack 304 weld seams; the same separator body in 316L (optional on Jiangdong’s OEM sheet) doubles the chloride tolerance. The standard 304 unit ships to 90% of ceramic and neutral-chemical buyers; the syrup refiner and the flotation operator must tick the 316L box or pay later in pitting.
Quick-Clean 6-Rod-Per-Row Drawer Cuts Downtime From 45 Min To 8 Min. A traditional cabinet magnet needs the whole front cover off, all rods out, wiped, re-seated—45 minutes, line stopped. The Jiangdong drawer pulls one row cassette (6 rods on the 33-rod/6-row layout, 5 on smaller variants), wipes them at the bench, slides back—8 minutes, and rows 2–6 keep separating while row 1 is out. Over a 300-day campaign at one clean per shift, that is ~185 hours of uptime recovered, roughly 370 tonnes of glaze that would otherwise have run un-separated. For a tile plant at 20 t/h, that recovers about 2 days of output a year.
Jinjiang Jiangdong Machinery As Separator Integrator. Jinjiang Jiangdong Machinery Co., Ltd., jiangdongmachinery.com, 10+ years in magnetic separation systems, same house that builds the YBS304 ceramic plunger pump (previous article)—so a ceramic plant can PO the pump, the separator, and the spare magnetic rods on one FOB. OEM/ODM covers trough length (standard 1030 mm), rod count (33 default, scalable), Gauss grade, 304/316L, inlet flange BSP/NPT, and 3D integration drawings for retrofitting an existing glaze line without moving the agitator. Not a magnet trader dropping NdFeB bars in a box; a line-integration house.

Jiangdong Machinery / jiangdongmachinery.com supply context

From the product node (stainless-steel-drawer-type-magnetic-separator-for-glaze-slurry) + sibling trough-separator page :

Maker: Jinjiang Jiangdong Machinery Co., Ltd., brand Jiangdong Machinery, jiangdongmachinery.com, Jinjiang, Fujian, China
Model class: Stainless Steel Drawer-Type Magnetic Separator for Glaze & Slurry
Magnetic rods: 33 pcs, Φ25 × 300 mm, NdFeB core, 8000 GS / 10000 GS surface
Arrangement: 6 rows, vertical staggered “pin” formation, 25 mm rod spacing
Body: SUS304 stainless steel (316L option), trough 1030×350×320 mm, machine 1030×350×700 mm, stand 380 mm
Flow path: 2.5″ inlet → 30 mm control gate → upward through 6 rows → 250 mm weir discharge
Throughput: 10–20 t/h (glaze/clay slurry/kaolin)
Cleaning: Quick-clean drawer, 6 rods per row lift-out
Fluids: Ceramic glaze, clay slurry, kaolin suspension, tile slip, chemical emulsion, syrup, petrochemical flotation oil
Commercial: OEM/ODM, custom dimensions/Gauss, global logistics, 3D drawings, spare rod kits
URL: https://www.jiangdongmachinery.com/stainless-steel-drawer-type-magnetic-separator-for-glaze-slurry/

Key characteristics and application scope

Product Name: Stainless Steel Drawer-Type Magnetic Separator for Glaze & Slurry
Alternate Terms: Jiangdong 33-rod 6-row drawer magnet 8000/10000GS SUS304 glaze slurry iron remover, trough type wet magnetic separator for kaolin clay emulsion syrup flotation oil, Jinjiang Jiangdong quick-clean pin-type magnetic drawer OEM, jiangdongmachinery.com ceramic glaze de-ironing separator
Device class: Wet-flow drawer magnetic separator (positive-gradient permanent-magnet trap, not dry-hoppper grate, not electromagnetic coil)
Core Applications:
- Ceramic tile / sanitaryware — glaze line, kaolin slip, feldspar suspension, 10–20 t/h, 10000 GS N45, 304 body
- Kaolin & mineral mill — clay slurry de-iron before spray dryer, 8000 GS adequate for coarse fraction
- Chemical emulsion blender — resin/latex emulsion, pH-neutral, 304 + 8000 GS
- Food syrup refiner — sucrose/glucose syrup, pH 3–4 → 316L body, 10000 GS, sanitary polish
- Petrochemical flotation — flotation oil circuit, sulfide-bearing, 316L + 10000 GS + external flush
Companion logic: Same Jiangdong PO pulls YBS304 ceramic plunger pump (previous article) for the glaze transfer loop, plus spare rod kits and 316L upgrade for a full de-ironing + pressurization package.

Application logic by buyer type

Tile Plant Glaze Line (2 units/line, 18 t/h): 33-rod 6-row, 10000 GS N45, SUS304, 2.5″ BSP inlet, gate tuned to 0.1 m/s rise. Speck count 5–8/m² → <1/m². Clean one row per shift, 8 min. Reorder rod kit every 18 months.
Kaolin Mill (8 t/h clay slurry): 8000 GS N42 enough (coarser Fe fraction), 304 body, 30 mm gate widened to 45 mm for higher viscosity. Throughput priority over ultrafine capture.
Citrus Syrup Refiner (5 t/h, pH 3.5): 316L body, 10000 GS, electro-polished trough, FDA-adjacent sanitation, 6-rod cassette wiped with food-grade scraper. 304 would pit in 14 months.
Flotation Oil Circuit (12 t/h, sulfide 200 ppm): 316L + 10000 GS + lantern-flush on rod cassette to avoid sulfide film on magnet skin; external rinse every 4 h.

Procurement and spec checklist

When specifying Stainless Steel Drawer-Type Magnetic Separator for Glaze & Slurry — 33 Rods 6 Rows Staggered Vertical Pin Type 8000GS 10000GS SUS304 Trough Type Iron Remover For Ceramic Glaze Clay Slurry Kaolin Suspension Chemical Emulsion Syrup Petrochemical Flotation Oil 10t/h 20t/h Quick Clean Drawer Magnet OEM ODM Jinjiang Jiangdong Machinery Jiangdongmachinery:

✅ Rod core — NdFeB grade N42 (for 8000 GS) or N45/N48 (for 10000 GS); request surface Gauss test cert at rod skin.

✅ Rod spec — Φ25×300 mm, 33 pcs, 6 rows staggered, 25 mm pitch; confirm pin-offset per row.

✅ Body — SUS304 standard; 316L if fluid pH <5 or Cl⁻ >200 ppm or sulfide present.

✅ Flow geometry — 2.5″ inlet, 30 mm control clearance (adjustable gate), 250 mm weir height; compute rise velocity for your t/h.

✅ Throughput — 10–20 t/h glaze; derate 30% for high-viscosity clay slurry.

✅ Cleaning — quick-clean cassette, 6 rods/row lift-out; confirm gasket/seal reuse cycle.

✅ Fluid chem — pH, chloride, sulfide, abrasive solids %; drives 304/316L and rod coating (epoxy-sealed end cap).

✅ Integration — inlet/outlet flange BSP/NPT, mounting stand 380 mm, 3D dwg from Jiangdong, spare rod kit MOQ.

✅ Commercial — OEM/ODM, sample 15–20 d, batch 30–40 d, FOB Xiamen, T/T.

Conclusion: The drawer separator sells specks removed per kilowatt, not Gauss per dollar

The Stainless Steel Drawer-Type Magnetic Separator for Glaze & Slurry — 33 Rods 6 Rows Staggered Vertical Pin Type 8000GS 10000GS SUS304 Trough Type Iron Remover For Ceramic Glaze Clay Slurry Kaolin Suspension Chemical Emulsion Syrup Petrochemical Flotation Oil 10t/h 20t/h Quick Clean Drawer Magnet OEM ODM Jinjiang Jiangdong Machinery Jiangdongmachinery wins not because it prints “10000 GS” louder, but because it forces slurry through six staggered rod rows at 0.1 m/s rise, holds rod-core grade N45 so the 10000 GS survives 3 mm off-skin, throttles with a 30 mm gate and a 250 mm weir so fines do not escape, and lets a row of 6 rods slide out in 8 minutes while the other five keep separating. SUS304 covers glaze and neutral chemicals; 316L is the specified upgrade for syrup and flotation duty. Made by Jinjiang Jiangdong Machinery—same house as the YBS304 ceramic plunger pump—the separator arrives with 3D integration drawings and spare-rod kits on the same PO, so a tile plant retrofits the de-ironing stage and the glaze-transfer pump together. Paired with the YBS304 pump upstream, it completes a glaze-loop package whose quality metric is “black specks per square meter after 1200℃ firing,” not “magnet strength on a sticker.”